Question

if 1/6!+1/7!=x/8! find x





please help me​

Answer 1

52/21

Step-by-step explanation:

$\frac{1}{6} + \frac{1}{7} = \frac{x}{8}$

$\frac{13}{42} = \frac{x}{8}$

$13 \times 8 = x \times 42$

$104 = 42x$

$42x = 104$

$x = \frac{52}{21}$

Live happily

Answer 2

Answer:

64

Step-by-step explanation:

n!= n×(n-1)×(n-2)×...×1

(n-2)! × (n-1) =( n-1)!×n=n!

1 7×8 56

_ = ______ = ____ ---- A

6! 6!×7×8 8!

1 8 8

__ = ______ = ____ ----B

7! 7!×8 8!

A+B = 56/8! + 8/8! = (56+8)/8! = 64/8!

x=64

hope this helps